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AGF 2.0 D

Pressure-resistant version up to 10 barg overpressure

    Pressure-resistant up to 10 barg overpressure
    Exact adjustment of the operating parameters
    Number concentration (CN) can be varied by the factor 10
    Particle size distribution remains virtually constant, if CN is modified
    Number distribution maximum is within the MPPS range
    Virtually no power losses
    Optimal concentration, no coagulation losses
    Resistant to numerous acids, bases and solvents
    Robust design, stainless steel housing
    Easy to operate
    As opposed to the collision method, the AGF 2.0 does not generate any particles > 2 µm thanks to its cyclone.
    Due to the fact that the AGF generates virtually no droplets > 2 µm, the consumption of materials is very low, thus ensuring a long dosing time.

Description

Unlike the AGF 2.0, the AGF 2.0 D is pressure-resistant up to 10 bar positive pressure and is thus able to be used for applications with an absolute pressure value of up to 11 bar, e.g. to test compressed air filters and optical flow measurement procedures with positive pressure values of up to 10 bar.


Fig. 1: AGF 2.0 D

The AGF series aerosol generators are able to atomize liquids with a binary nozzle. Fig. 2 presents a schematic arrangement of the AGF 2.0 D generator components:


Fig. 2: Schematic diagram of the aerosol generator

The AGF 2.0 D comprises an adjustable binary nozzle for adjustment of the desired mass flow and a cyclone with a cut-off of 2 µm. As a result, virtually no particles > 2 µm are generated.

Startup

Compressed air is supplied to a binary nozzle. The primary pressure on the nozzle is able to be adjusted to between 0 and 10 bar above the ambient pressure The volume flow through the AGF 2.0 D should be determined using a pressure-tight flow meter. The volume flow must be between 12 and 22 L/min. The negative pressure in the nozzle suctions the liquid to be atomized from a reservoir, while the volume flow of this liquid is able to be adjusted using a needle valve that is incorporated into the nozzle.

Table 1: Overview of the AGF and UGF systems

Datasheet

Volume flow

12 – 45 l/min

Dimensions

200 • 260 mm (Ø • l)

Weight

approx. 8 kg

Particle material

DEHS, DOP, Emery 3004, paraffin oil, other non-resinous oils

Dosing time

> 24 h

Mass flow (particles)

up to 4 g/h (DEHS)

Compressed air connection

Quick coupling

Aerosol outlet connection

Øinside = 6 mm, Øoutside = 8 mm

Special features

Pressure-tight up to 10 bar

Mean particle diameter (number)

0.25 µm

Biggest particle diameter

2 µm

Filling quantity

300 ml

Benefits

    Pressure-resistant up to 10 barg overpressure
    Exact adjustment of the operating parameters
    Number concentration (CN) can be varied by the factor 10
    Particle size distribution remains virtually constant, if CN is modified
    Number distribution maximum is within the MPPS range
    Virtually no power losses
    Optimal concentration, no coagulation losses
    Resistant to numerous acids, bases and solvents
    Robust design, stainless steel housing
    Easy to operate
    As opposed to the collision method, the AGF 2.0 does not generate any particles > 2 µm thanks to its cyclone.
    Due to the fact that the AGF generates virtually no droplets > 2 µm, the consumption of materials is very low, thus ensuring a long dosing time.

Applications

    Filter testing, quality control
      -   Filter cartridges
      -   Car interior filters
      -   Filter media, particulate air filters
      -   Compressed air filters
    Tracer particles
      -   Inhalation experiments
      -   Optical flow measurement procedures with positive pressure values of up to 10 bar (model version AGF 2.0 D)
      -   LDV
    Clean room technology
      -   Acceptance tests and leak tests as per ISO 14644 and VDI 2083
      -   Leak tests, fit testing
      -   Recovery tests
    Calibration of counting particle measurement methods
      -   Nebulisation of latex suspensions < 1 µm
    Smoke detector tests